Global Hawk Hits 5K: 
An Air Force’s RQ-4 Global Hawk unmanned aerial vehicle recently surpassed the 5,000 combat flying hour mark while flying a mission in the global war on terror, says Northrop Grumman. The UAV began flying combat missions in 2001, accumulating more than 233 missions to its credit. A single RQ-4 has flown 157 of those sorties.
Celebrating 100 Years of Liquid-Fueled Rockets
March 11, 2026
March 16, 2026, marks 100 years since Dr. Robert H. Goddard launched the world’s first liquid-fueled rocket. Over the past century, new and ever more capable liquid-fueled rockets have literally propelled humanity into space. Why liquid-fueled rockets?